/* ketch — nerd + flat + material + glass
   Dual theme: explicit [data-theme] toggle + system via prefers-color-scheme.
   No build step, no framework. */

/* ---------- semantic tokens ---------- */

:root,
[data-theme="light"] {
  color-scheme: light;

  --canvas: #F4F8F7;
  --surface-1: #FFFFFF;
  --surface-2: #EAF1EF;
  --ink: #0B1A18;
  --ink-muted: #5A7380;
  --ink-faint: #7A929C;
  --accent: #0F6F5C;
  --accent-bright: #1FA88A;
  --accent-soft: #D8F0E8;
  --accent-on: #FFFFFF;
  --hairline: #D5E3DF;
  --glass-fill: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(213, 227, 223, 0.9);
  --elev-1: 0 1px 2px rgba(11, 26, 24, 0.04), 0 1px 3px rgba(11, 26, 24, 0.06);
  --elev-2: 0 4px 12px rgba(11, 26, 24, 0.06), 0 1px 3px rgba(11, 26, 24, 0.04);
  --elev-3: 0 12px 32px rgba(11, 26, 24, 0.10), 0 2px 6px rgba(11, 26, 24, 0.05);

  --term-bg: #0A1214;
  --term-surface: #101A1C;
  --term-ink: #E8F4F1;
  --term-dim: #8AA8A0;
  --term-accent: #3DDCB0;
  --term-hairline: #1E3330;

  --focus-ring: 0 0 0 3px rgba(15, 111, 92, 0.35);
  --tag-coral: #FF6B5B;
  --mark-tile: #0A3D36;
}

[data-theme="dark"] {
  color-scheme: dark;

  --canvas: #0A1214;
  --surface-1: #101A1C;
  --surface-2: #162226;
  --ink: #E8F4F1;
  --ink-muted: #8AA8A0;
  --ink-faint: #6A8680;
  --accent: #3DDCB0;
  --accent-bright: #5EE8C4;
  --accent-soft: #0F6F5C;
  --accent-on: #0A1214;
  --hairline: #1E3330;
  --glass-fill: rgba(16, 26, 28, 0.72);
  --glass-border: rgba(30, 51, 48, 0.9);
  --elev-1: 0 1px 2px rgba(0, 0, 0, 0.35), 0 1px 3px rgba(0, 0, 0, 0.25);
  --elev-2: 0 4px 14px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.3);
  --elev-3: 0 16px 40px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.35);

  --term-bg: #060C0E;
  --term-surface: #0A1214;
  --term-ink: #E8F4F1;
  --term-dim: #8AA8A0;
  --term-accent: #3DDCB0;
  --term-hairline: #1E3330;

  --focus-ring: 0 0 0 3px rgba(61, 220, 176, 0.4);
  --tag-coral: #FF6B5B;
  --mark-tile: #0A3D36;
}

/* System: follow OS when data-theme="system" or unset (boot may leave unset briefly) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]),
  [data-theme="system"] {
    color-scheme: dark;

    --canvas: #0A1214;
    --surface-1: #101A1C;
    --surface-2: #162226;
    --ink: #E8F4F1;
    --ink-muted: #8AA8A0;
    --ink-faint: #6A8680;
    --accent: #3DDCB0;
    --accent-bright: #5EE8C4;
    --accent-soft: #0F6F5C;
    --accent-on: #0A1214;
    --hairline: #1E3330;
    --glass-fill: rgba(16, 26, 28, 0.72);
    --glass-border: rgba(30, 51, 48, 0.9);
    --elev-1: 0 1px 2px rgba(0, 0, 0, 0.35), 0 1px 3px rgba(0, 0, 0, 0.25);
    --elev-2: 0 4px 14px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.3);
    --elev-3: 0 16px 40px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.35);

    --term-bg: #060C0E;
    --term-surface: #0A1214;
    --term-ink: #E8F4F1;
    --term-dim: #8AA8A0;
    --term-accent: #3DDCB0;
    --term-hairline: #1E3330;

    --focus-ring: 0 0 0 3px rgba(61, 220, 176, 0.4);
  }
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="light"]):not([data-theme="dark"]),
  [data-theme="system"] {
    color-scheme: light;

    --canvas: #F4F8F7;
    --surface-1: #FFFFFF;
    --surface-2: #EAF1EF;
    --ink: #0B1A18;
    --ink-muted: #5A7380;
    --ink-faint: #7A929C;
    --accent: #0F6F5C;
    --accent-bright: #1FA88A;
    --accent-soft: #D8F0E8;
    --accent-on: #FFFFFF;
    --hairline: #D5E3DF;
    --glass-fill: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(213, 227, 223, 0.9);
    --elev-1: 0 1px 2px rgba(11, 26, 24, 0.04), 0 1px 3px rgba(11, 26, 24, 0.06);
    --elev-2: 0 4px 12px rgba(11, 26, 24, 0.06), 0 1px 3px rgba(11, 26, 24, 0.04);
    --elev-3: 0 12px 32px rgba(11, 26, 24, 0.10), 0 2px 6px rgba(11, 26, 24, 0.05);

    --term-bg: #0A1214;
    --term-surface: #101A1C;
    --term-ink: #E8F4F1;
    --term-dim: #8AA8A0;
    --term-accent: #3DDCB0;
    --term-hairline: #1E3330;

    --focus-ring: 0 0 0 3px rgba(15, 111, 92, 0.35);
  }
}

/* Shared structural tokens */
:root {
  --radius: 10px;
  --radius-lg: 14px;
  --radius-sm: 6px;
  --measure: 68ch;
  --page-max: 1180px;
  --page-max-wide: 1440px;
  --gutter: clamp(1rem, 4vw, 3rem);
  --font: ui-sans-serif, -apple-system, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --header-h: 3.75rem;
}

/* ---------- reset / base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; height: auto; }

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover { text-decoration-thickness: 2px; color: var(--accent-bright); }

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

code, pre, kbd, samp { font-family: var(--mono); font-size: 0.88em; }

:not(pre) > code {
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  color: var(--ink);
}

pre {
  background: var(--term-bg);
  color: var(--term-ink);
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--term-hairline);
  overflow-x: auto;
  line-height: 1.55;
}
pre code { background: none; border: 0; padding: 0; color: inherit; font-size: inherit; }

.muted { color: var(--ink-faint); }

/* ---------- glass helper ---------- */

.glass {
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
}

@media (prefers-reduced-transparency: reduce) {
  .glass,
  .site-header,
  .grid article.glass-card {
    background: var(--surface-1);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* ---------- header ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.75rem var(--gutter);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--glass-fill);
  border-color: var(--glass-border);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { color: var(--accent); text-decoration: none; }
.brand:focus-visible { border-radius: var(--radius-sm); }

.brand-logo {
  width: 32px;
  height: 32px;
  flex: none;
  border-radius: 8px;
}

.brand-name { line-height: 1; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem 1.25rem;
  flex-wrap: wrap;
}

.site-header nav {
  display: flex;
  gap: 0.25rem 1.1rem;
  flex-wrap: wrap;
  align-items: center;
}
.site-header nav a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.35rem 0.15rem;
}
.site-header nav a:hover { color: var(--accent); }

/* Theme toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-width: 44px;
  min-height: 44px;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  background: var(--surface-1);
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  cursor: pointer;
  box-shadow: var(--elev-1);
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.theme-toggle:focus-visible {
  box-shadow: var(--focus-ring);
}

.theme-toggle-icon {
  width: 1.1rem;
  height: 1.1rem;
  flex: none;
}
.theme-toggle[data-theme="light"] .icon-moon,
.theme-toggle[data-theme="dark"] .icon-sun,
.theme-toggle[data-theme="system"] .icon-sun,
.theme-toggle[data-theme="system"] .icon-moon {
  display: none;
}
.theme-toggle[data-theme="light"] .icon-sun { display: block; }
.theme-toggle[data-theme="dark"] .icon-moon { display: block; }
.theme-toggle[data-theme="system"] .icon-system { display: block; }
.theme-toggle:not([data-theme="system"]) .icon-system { display: none; }

.theme-toggle[data-theme-label] { /* noop attribute presence */ }

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(3rem, 8vw, 6rem) var(--gutter);
  max-width: var(--page-max);
  margin: 0 auto;
}

.hero-text {
  min-width: 0;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin: 0 0 1.1rem;
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
  color: var(--accent);
  margin: 0;
}
.eyebrow::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.hero h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 1rem;
  text-wrap: balance;
  font-weight: 700;
}

.lede {
  font-size: 1.08rem;
  color: var(--ink-muted);
  max-width: var(--measure);
  margin: 0 0 1.75rem;
}

/* Terminal install strip */
.install {
  display: flex;
  align-items: stretch;
  gap: 0;
  background: var(--term-bg);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 100%;
  border: 1px solid var(--term-hairline);
  box-shadow: var(--elev-2);
}
.install code {
  flex: 1;
  min-width: 0;
  padding: 0.9rem 1.05rem;
  color: var(--term-ink);
  overflow-x: auto;
  white-space: nowrap;
  background: none;
  border: 0;
  font-size: 0.82rem;
}
.install button {
  flex: none;
  border: 0;
  border-left: 1px solid var(--term-hairline);
  background: transparent;
  color: var(--term-accent);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0 1.1rem;
  min-height: 44px;
  cursor: pointer;
}
.install button:hover { background: rgba(61, 220, 176, 0.08); }
.install button:focus-visible {
  box-shadow: inset 0 0 0 2px var(--term-accent);
}

.cta { display: flex; gap: 0.75rem; margin-top: 1.5rem; flex-wrap: wrap; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 550;
  background: var(--surface-1);
  box-shadow: var(--elev-1);
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.button:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}
.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-on);
  box-shadow: var(--elev-1);
}
.button.primary:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
  color: var(--accent-on);
  filter: none;
}

/* ---------- terminal card ---------- */

.terminal {
  background: var(--term-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--elev-3);
  border: 1px solid var(--term-hairline);
}
.terminal-bar {
  display: flex;
  gap: 0.45rem;
  padding: 0.7rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--term-hairline);
}
.terminal-bar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #3a4049;
}
.terminal-bar span:first-child { background: #e0625a; }
.terminal-bar span:nth-child(2) { background: #e0b95a; }
.terminal-bar span:nth-child(3) { background: #5ec97a; }
.terminal pre {
  margin: 0;
  border-radius: 0;
  border: 0;
  font-size: 0.8rem;
  background: transparent;
}
.terminal .p { color: var(--term-accent); }
.terminal .d { color: var(--term-dim); }

/* ---------- sections ---------- */

.features, .usage, .closing {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) var(--gutter);
  border-top: 1px solid var(--hairline);
}

.features h2, .usage h2, .closing h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  margin: 0 0 2rem;
  font-weight: 700;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.25rem;
}

.grid article,
.glass-card {
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  box-shadow: var(--elev-1);
  backdrop-filter: blur(12px) saturate(1.15);
  -webkit-backdrop-filter: blur(12px) saturate(1.15);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.grid article:hover {
  border-color: var(--accent);
  box-shadow: var(--elev-2);
}
.grid h3 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  font-weight: 650;
}
.grid p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.usage .note {
  margin-top: 1.5rem;
  color: var(--ink-muted);
  max-width: var(--measure);
}

.closing { text-align: center; }
.closing .install { max-width: 720px; margin: 0 auto 1rem; text-align: left; }

/* Release-tag chip accent (decorative) */
.release-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
  margin: 0;
  padding: 0.2rem 0.55rem 0.2rem 0.4rem;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  color: var(--ink-muted);
}
.release-chip::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--tag-coral);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--tag-coral) 30%, transparent);
}

/* ---------- docs ---------- */

.docs-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) var(--gutter);
  align-items: start;
}

.docs-nav { position: sticky; top: calc(var(--header-h) + 1rem); }
.docs-nav-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-faint);
  margin: 0 0 0.6rem;
  font-weight: 600;
}
.docs-nav ul { list-style: none; margin: 0; padding: 0; }
.docs-nav li { margin: 0; }
.docs-nav a {
  display: block;
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.93rem;
  min-height: 36px;
}
.docs-nav a:hover { background: var(--surface-2); color: var(--ink); }
.docs-nav a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.docs-body { min-width: 0; overflow-wrap: break-word; }
.docs-body h1 {
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  letter-spacing: -0.025em;
  margin: 0 0 0.75rem;
  text-wrap: balance;
}
.docs-body h2 {
  margin: 2.5rem 0 0.85rem;
  font-size: 1.4rem;
  letter-spacing: -0.015em;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--hairline);
}
.docs-body h3 { margin: 1.8rem 0 0.6rem; font-size: 1.1rem; }
.docs-body p, .docs-body li { max-width: var(--measure); }
.docs-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.25rem 0;
  font-size: 0.92rem;
  display: block;
  overflow-x: auto;
}
.docs-body th, .docs-body td {
  border: 1px solid var(--hairline);
  padding: 0.5rem 0.7rem;
  text-align: left;
  vertical-align: top;
}
.docs-body th { background: var(--surface-2); font-weight: 600; }
.docs-body blockquote {
  margin: 1.25rem 0;
  padding: 0.1rem 1rem;
  border-left: 3px solid var(--accent);
  color: var(--ink-muted);
}

.toc {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin: 1.5rem 0 2rem;
  font-size: 0.92rem;
  box-shadow: var(--elev-1);
}
.toc summary { cursor: pointer; font-weight: 600; }
.toc ul { margin: 0.5rem 0 0; padding-left: 1.1rem; }
.toc a { color: var(--ink-muted); text-decoration: none; }
.toc a:hover { color: var(--accent); text-decoration: underline; }

.doc-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.doc-card {
  display: block;
  padding: 1.25rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  background: var(--glass-fill);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--elev-1);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.doc-card:hover {
  border-color: var(--accent);
  box-shadow: var(--elev-2);
  text-decoration: none;
}
.doc-card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  border: 0;
  padding: 0;
  color: var(--accent);
}
.doc-card p { margin: 0; color: var(--ink-muted); font-size: 0.92rem; }

.edit-link { margin-top: 3rem; font-size: 0.9rem; }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--hairline);
  font-size: 0.93rem;
}
.pager .next { margin-left: auto; text-align: right; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 2.5rem var(--gutter);
  text-align: center;
  font-size: 0.92rem;
  background: var(--surface-1);
}
.site-footer p { margin: 0.35rem 0; }
.site-footer strong {
  font-family: var(--mono);
  font-weight: 600;
}

/* ---------- breakpoints: 640 / 1024 / 1440 / 1920 ---------- */

@media (max-width: 639px) {
  body { font-size: 16px; }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 2.5rem;
  }
  .site-header {
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
  }
  .header-actions { width: 100%; justify-content: space-between; }
  .site-header nav { gap: 0.75rem; font-size: 0.88rem; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-nav {
    position: static;
    border-bottom: 1px solid var(--hairline);
    padding-bottom: 1rem;
  }
  .docs-nav ul { display: flex; flex-wrap: wrap; gap: 0.25rem; }
  .install code { font-size: 0.72rem; }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .hero { grid-template-columns: 1fr; }
  .docs-layout { grid-template-columns: 200px minmax(0, 1fr); }
}

@media (min-width: 1024px) {
  .hero { max-width: var(--page-max); }
}

@media (min-width: 1440px) {
  :root { --page-max: 1280px; }
  .hero, .features, .usage, .closing { max-width: var(--page-max); }
}

@media (min-width: 1920px) {
  :root { --page-max: 1400px; }
  body { font-size: 18px; }
}

/* Coarse pointers: larger hit targets */
@media (pointer: coarse) {
  .site-header nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.35rem;
  }
  .docs-nav a { min-height: 44px; display: flex; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--accent-on);
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: var(--gutter);
  top: 0.5rem;
}